Fluval U Series Internal Filters biOrb Plants It is not even necessary

It is not even necessary here to connect an aerator

and toxic substances for crystal-clear water

To maintain crystal clear water add 1 or 2 PURE balls per 25 litres of aquarium water once per week

so it won't detract from the view of your aquarium

Fluval U Series Internal Filters biOrb Plants It is not even necessaryThe Fluval U series filters offer outstanding 3 stage filtration with Biomax, for increased water quality, movement and vital aeration. These filters are ideal for when external filtration cant be used. Fluval U filters can be used as a primary filter for smaller aquariums or a supplementary filter for larger aquariums. They can be positioned either horizontally or vertically to suit your aquarium. In addition to the position adjustment the Fluval U2,